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Product description:

The ENC28J60 Ethernet Module utilizes the new Microchip ENC28J60 Stand-Alone Ethernet Controller IC featuring a host of features to handle most of the network protocol requirements. The board connects directly to most microcontrollers with a standard SPI interface with a transfer speed of up to 20MHz.

• Small breakout board for the PIC Microchip ENC28J60. It contains all the necessary hardware to implement an Ethernet interface including the isolation transformer and LINK/STATUS LEDs.

• Support 3.3V and 5V Power supply, need you to choose 3.3V and 5V by a switch.

• 1x10 connector can be easily mounted with the MCU

• SPI Interface

Additional Information:

• Item Code: AR029-ENC28J60
• Delivery Time: 2 - 4 days

Product Description:

W5500 Ethernet Network Module TCP/IP SPI Interface 51/STM32 Program W5100 Upgrade Edition. The W5500 module is a module based on Ethernet WIZNET new type of chip W5500, module integrates the whole hardware TCP/IP protocol stack, no need code implements the TCP/IP protocol stack, support transmission rate of 10/100MBPS, support sleep mode and wake on LAN, Within the integrated 32K TX/RX cache, support 8 independent ports run at the same time, Module supports 3.3V or 5V power supply, convenient for the user to use in the SCM system different, module and MCU system communication mode is SPI protocol, Support SPI clock frequencies up to 80M, provide STM32 and 51 SCM client, server, three modes of UDP routines.

• Requires an Arduino board (not included)

• Operating voltage 5V (supplied from the Arduino Board)

• SPI (Serial Peripheral Interface) provides an easy interface connected to the external MCU.

• The W5500 supports up to 80MHZ SPI communication speed.

• In order to reduce system power consumption, W5500 provides a network wake-up and sleep modes. W5500 will wake when receiving the original Ethernet packet in the form of the magic packet

Additional Information:

• Item Code: AR028-W5500
• Delivery Time: 2 - 4 days

Product description:

• It is used as a square wave signal generator that generates a square wave signal used for experimental development.

• It can be used to drive a stepper motor for generating a square wave drive signal.

• The adjustable pulse generated for use by MCU.

• Adjustable pulse generation, control circuitry associated.

Specification:

• Chipset: NE555; Pulse Frequency Square Wave Signal Generator Module

• Input Voltage: 5V-15VDC. when the power supply is 5V, the output current can be 15MA around; when 12V power supply, the output current is around 35MA;

• Input current: 100MA

• Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different depending on the input voltage, the output amplitude will be different)

• Maximum output current: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%)

Advantages:

• The outputs with LED indication, there is no output straightforward (low LED volume, high LED off

• frequency is relatively low, the LED flashes);

• Output level selectable frequency range, the output frequency is continuously adjustable;

• LF file: 1Hz ~ 50Hz

• IF file: 50Hz ~ 1kHz

• High-frequency file: 1KHz ~ 10kHz

• HF file: 10kHz ~ 200kHz

• The output duty cycle can be fine-tuned, duty cycle and frequency is not separately adjustable,

• adjusting the duty cycle will change the frequency

• The output frequency is adjustable;

• Period T = 0.7 (RA +2 RB) C

• RA, RB is 0-10K adjustable;

• Low profile when C = 0.001UF;

• IF stalls C = 0.1UF;

• High-frequency file C = 1UF;

• HF stalls C = 100UF, so the frequency of the waveform buyers can own calculations

Additional Information:

• Item Code: AR090-NE555-PULSE-GEN
• Delivery Time: 2 -4 days

This is another great IIC/I2C/TWI/SPI Serial Interface. As the pin resources of FOR Arduino controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices.

• LCD display module with blue blacklight. Wide viewing angle and high contrast. I2C Interface not included only LCD Module
• Built-in industry standard HD44780 equivalent LCD controller
• LCM type: Characters
• Can display 2-lines X 16-characters. Operate with 5V DC Supply voltage, the backlight and contrast is adjusted by potentiometer come with 2 iic interface, which can be connected by dupont line or iic dedicated cable compatible for 1602 lcd
• Module dimension: 80mm x 35mm x 9mm. Viewing area size: 64.5mm x 16mm.

Additional Information:

• Item Code: AR070-1602-BLUE-5V
• Delivery Time: 2 - 4 days

Product Description:

Brand new & high-quality Breadboard power supply module, compatible with 5 V, 3.3 V Apply to MB102 breadboard Input voltage: 6.5-12 V (DC) or USB power supply Output voltage: 3.3V/5V can switch over Maximum output current: <700 ma Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use. Please notice: this item only a Power Supply Module, Breadboard is not included

• Brand new & high quality

• Breadboard power supply module, compatible with 5 V, 3.3 V

• Apply to MB102 breadboard

• Maximum output current: <700 ma

Additional Information:

• Item Code: AR049-MB102-PWR
• Delivery Time: 2 - 4 days

MFRC-522 RC522 RFID RF card sensor module to send S50 Fudan card, keychain watch nmd raspberry pi
【RC522 chip】
MF RC522 is applied to the highly integrated read and write 13.56MHz contactless communication card chip, launched by the company for the "table" application of a low-voltage, low-cost, small size of the non-contact card chip to read and write, smart meters and portable handheld devices developed better choice. The MF RC522 use of advanced modulation and demodulation concept completely integrated in all types of 13.56MHz passive contactless communication methods and protocols. 14443A compatible transponder signals. The digital part of to handle the ISO14443A frames and error detection. In addition, support rapid CRYPTO1 encryption algorithm, terminology validation For MIFARE products. MFRC522 support For MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s. As new members of the 13.56MHz reader card series of highly integrated chip family, MF RC522 MF RC500 MF RC530 There are a lot of similarities, but also have many of the characteristics and differences. Communication between it and the host SPI mode helps to reduce the connection narrow PCB board volume, reduce costs.
【RFID module】
The MF522-AN module the the original Philips MFRC522 chip design circuit card reader, easy to use, low cost, and applies to the user equipment development, the reader and the development of advanced applications, the need for the user RF card terminal design/production. This module can be directly loaded into the various reader molds. Utilizes a voltage of 3.3V, through the SPI interface simple few lines directly with any user CPU motherboard connected communication can ensure that the module is stable and reliable work, distance card reader;

• Contents: 1. RFID - RC522 module one; + 2. the standard S50 blank card one; + 3. S50 shaped CARDS one (to keychain shape); 4. vertical, curved row of pins each one;
• Current: 13 to 26 ma/DC 3.3 V; Idle Current: 10-13 ma/DC 3.3 V; Sleep current: < 80 ua; Peak current: < 30 ma; Operating Frequency: 13.56 MHz
• Module interfaces SPI Parameter Data transfer rate: maximum 10Mbit/s
• Product Physical Characteristics: Dimensions: 40mm × 60mm Environmental
• Environment Storage temperature: -40-85 degrees Celsius Relative Humidity: 5% -95%; Operating temperature: -20-80 degrees Celsius

Additional Information:

• Item Code: AR054-RFID-MFRC522
• Delivery Time: 2 - 4 days

Product description:

Battery not included. DS1307 I2C real-time clock chip (RTC) 24C32 32K I2C EEPROM memory Using LIR2032 rechargeable lithium battery and charging circuit with DS1307 with battery backup can not solve the problem of literacy. Fully charged, can provide DS1307 timing 1 year. Compact design, 27mm * 28mm * 8.4mm Leads to the DS1307 clock pin provides the clock signal for the microcontroller

• DS1307 I2C real time clock chip (RTC), 24C32 32K I2C EEPROM memory

• Using LIR2032 rechargeable lithium battery and charging circuit with DS1307 with battery backup can not solve the problem of literacy .

• Fully charged, can provide DS1307 timing 1 year.

• Compact design , 27mm * 28mm * 8.4mm

• Leads to the DS1307 clock pin provides the clock signal for the microcontroller

Additional Information:

• Item Code: AR046-RTC-DS1307
• Delivery Time: 2 - 4 days

Product description:

The development board is based on the basic and commonly adopted ESP07 module.

• Model: ESP-07 ESP8266; ISM: 2.4GHz PA +25dBm 802.11b/g/n

• Operating Voltage3.3V

• Device: ESP8266MOD Frequency: (ISM): 2.4GHz Power: +25dBm Supported Wifi: 802.11 b/g/n Operating voltage: 3.3V

• Min Current (Sleep): 10mA Max current (connected to 802.11b network): 215mA

• Compatible with Arduino, MicroPython; Default firmware: lastest MicroPython

Warnings:1. This module requires a 3.3 volt supply for VCC and 3.3V logic.
2. It is not 5V tolerant, Connect RX or TX on 5V FOR Arduino will destroy this module.
3. You must use a logic level converter or a 3.3V FOR Arduino
4. The 3.3V supply on the Arduino Uno has the inadequate current capability to power this module.
5. You must provide a separate, higher amp 3.3V supply(about 300mA or better)

Additional Information:

• Item Code: E020-ESP-07-SMD
• Delivery Time: 2 - 4 days

Product description:

PCF8591 AD/DA Analog-Digital-Analog Converter Module

Key indicators:

Single-Supply Operation PCF8591 operating voltage range of 2.5V to 6V Low standby current through the I2C bus serial input/output PCF8591 by 3 hardware address pins addressing Sampling rate PCF8591 I2C bus rate decided 4 analog inputs programmable as single-ended or differential inputs Automatic incremental channel selection PCF8591 analog voltage range from VSS to VDD PCF8591 built-in track and hold circuit 8-bit successive approximation A / D converter through an analog output DAC gain 

Interface:

The module's left and right, respectively, the external expansion of the 2-way pin interface, respectively, as follows: Output interface of the left the AOUT chip DA The AINO chip analog input interface. AIN1 chip analog input interface AIN2 chip analog input interface AIN3 chip analog input interface

The right side of the SCL IIC clock interface to access the microcontroller IO port The SDA IIC digital interface connected microcontroller IO port GND module to an external VCC power supply interface external 3.3v-5v Module red jumper instructions for use Module three red short circuit cap, respectively, the role is as follows: P4 connected to the P4 jumper, select thermistor access circuit P5 connected to P5 jumper to select the photoresistor access circuit P6 connected to the P6 jumper, to select 0-5V adjustable voltage access circuit

Specification:

• Module PCB size: 3.6cm * 2.3cm

• PCF8591 operating voltage range of 2.5V to 6V

• 4 analog inputs programmable as single-ended or differential inputs

• VCC power supply interface external 3.3v-5v

• 8-bit successive approximation A / D converter through an analog output DAC gain

Additional Information:

• Item Code: AR055-PCF8591-AD-DA